Welcome to One Harmony

Discover a World of Elegance and Refinement in Our Free Membership Program.

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News

2020.06.29
2020.04.20
New digital voucher for one-category guestroom upgrades for Loyal & Exclusive Members (“My Voucher”) is now provided. Sign in is required to display the digital voucher. Please click here for display.
2020.03.16
Special offer for All Members
For 2,000 One Harmony points, you can redeem a coupon for an annual digital membership of The Wall Street Journal. We hope you will take advantage of this very special opportunity. Please click here for details.

Special Offers

Chance to Earn Double Nights!

Guests are able to earn double qualifying nights for membership status upgrade. Don't miss the chance to take the fast route to upgrade your membership status to enjoy the variety of special benefits.
Click here for details

ADVANCE - early bird discount

Early booking plans are available! Book now online or at your nearest reservation center to enjoy our ADVANCE rate plan and experience Okura Nikko Hotels.
Click here for details

Contact Us

One Harmony

+81-3-6402-3388
Inquiry Form
F. A. Q.
9:30-17:30 JST
(Closed Saturdays, Sundays and Holidays)